neutron/releasenotes/notes/add-propagate_uplink_status...

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---
features:
- |
Introduce the attribute ``propagate_uplink_status`` to ports.
Right now, the SRIOV mechanism driver leverages this attribute to decide
if the VF link should follow the state of the PF.
For example, if the PF is down, the VF link state is automatically
set to down as well.
Operators can turn on this feature via the configuration option::
[ml2]
extension_drivers = uplink_status_propagation
The API extension ``uplink_status_propagation`` is introduced to indicate
if this feature is turned on.